De Proefbrouwerij offers a brewery site for third parties, which for instance don't have their own brewery. But it is also an interesting option for start-ups or stable breweries that are experimenting with a new recipe. Per order 10 to 140 Hl beer is brewed.

Key value is integrity which expands from the employeers to the whole production process. Always keeping in mind the employees, environment and recipe De Proefbrouwerij works in a clean and honest way aiming at an original recipe.